NumPy is at the core of array data processing used

in this package, as illustrated by the partial software

dependency chart below.</p><figure class=align-default id=id004><img src=/images/content_images/cs/ehtim_numpy.png alt="ehtim dependency map highlighting numpy" class=align-center><figcaption><strong class=caption-title>Software dependency chart of ehtim package highlighting NumPy</strong><a class=headerlink href=#id004 title="Link to this image">#</a><br><p><span class=caption-text></span></figcaption></figure><p>Besides NumPy, many other packages, such as

data processing pipeline for imaging the black hole.

The standard astronomical file formats and time/coordinate transformations

were handled by <a href=https://www.astropy.org/>Astropy</a>, while <a href=https://matplotlib.org/>Matplotlib</a> was used